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Blake, George S.
Title: North Shore Long Island Sound Sheffield Lt. to Great Captains Island, Conn.
Publisher: United States. Coast Survey. Washington .
1 map; 95 x 188 cm., on 2 sheets 96 x 99 cm., Sheet 1/2
Notes: Bathymetry shown by soundings and isolines. Photocopy of an original manuscript. Standard map series designator: Register no. H-9. Includes reference to entry in survey book.